2f66b87534d0e252da98f11e8a2b43879298f3d9eac0b8c84f382e5c24e2f7a4 | Triage

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 03:07

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General

Target

ImNtUtilU.dll
Size

94KB
MD5

bb326fe795e2c1c19cd79f320e169fd3
SHA1

1c1f2b8d98f01870455712e6eba26d77753adcac
SHA256

a8e1b0e676dce9556037d29fd96521ec814858404ba4cfdd0db0edbe22c87bc7
SHA512

a1ec894151baa14e4ac1ee9471e8606bf74edd39f7833d9a1a44eee74d403f6b52780c135e9718ff9564fa27d7128c22b8410b21f77e6d804f698cfb4eda65a1
SSDEEP

1536:q01U2obLeNvXXZ6Wb/2LamjMkUYCTSZaKAxvSJKRDOAG921:NobLeNvXp6Ou+mjMkUYC2ZVAxxFOAG9s

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2752 2024 WerFault.exe rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 1760 wrote to memory of 2024	1760	rundll32.exe	rundll32.exe
PID 2024 wrote to memory of 2752	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 2752	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 2752	2024	rundll32.exe	WerFault.exe
PID 2024 wrote to memory of 2752	2024	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ImNtUtilU.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ImNtUtilU.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 232
3⤵
- Program crash
PID:2752

MITRE ATT&CK Matrix

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